The 1973 motion picture, "The Exorcist," is considered to be one of the most frightening stories of all time. Both the movie and book are based on real life events of an exorcism performed by Jesuit priests at Saint Louis University in 1949. Archivist, John Waide, will speak about the bizarre events that took place in Maryland and in the St. Louis area more than 60 years ago. Ages 12 and up. Registration required.